Changes for page Debug NB-IoT Connection
Last modified by Xiaoling on 2024/08/19 16:09
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... ... @@ -1,32 +1,31 @@ 1 -{{box cssClass="floatinginfobox" title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 1 += For BC95-G = 4 4 5 - =Paragraph1=3 +~1. Check the reason why you can't access the network: 6 6 7 - Loremipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.5 +1) AT+CEREG=5 8 8 9 - ==Sub-paragraph==7 +2) AT+CEREG? ~/~/This process may be longer, please repeat the input 10 10 11 - Loremipsum dolorsit amet,consecteturadipiscing elit, seddo eiusmodtemporincididunt ut labore et dolore magna aliqua. Ut enimad minim veniam, quis nostrudexercitation ullamco laborisnisi ut aliquip ex eacommodo consequat. Duisauteirure dolor in reprehenderitin voluptatevelit esse cillum dolore eu fugiatnullapariatur. Excepteur sint occaecatupidatat non proident,sunt in culpa qui officia deserunt mollit anim id est laborum.9 +3) Mainly check the two parameters cause_type and reject_case 12 12 13 - == Sub-paragraph ==11 +[[image:https://wiki.dragino.com/images/1/19/BC-95-G1.png||alt="BC-95-G1.png" height="366" width="558"]] 14 14 15 - Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Utenim ad minim veniam, quis nostrud exercitation ullamco laborisnisi utaliquip ex eacommodoconsequat. Duisaute irure dolor in reprehenderit in voluptate velit essecillum dolore eu fugiat nullapariatur. Excepteursint occaecatcupidatat nonproident, sunt in culpa qui officia deserunt mollit anim id est laborum.13 +2. Network access operation: 16 16 17 - ===Sub-sub paragraph===15 +1) AT+CFUN=0 18 18 19 - Loremipsumdolorsit amet, consecteturadipiscing elit,seddo eiusmodtemporincididunt utlabore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamcolaboris nisi ut aliquipex ea commodo consequat. Duis auteirure dolor inreprehenderit in voluptate velit essecillumdolore eu fugiatnulla pariatur. Excepteur sint occaecat cupidatatnon proident, sunt in culpa qui officia deseruntmollit anim id est laborum.17 +2) AT+NBAND=X ~/~/X means the local frequency band number 20 20 19 +3) AT+NRB 21 21 22 - =Paragraph2=21 +4) After waiting for a period of time, you can use AT+CSQ to query the network access 23 23 24 - Loremipsumdolor sitamet, consectetur adipiscing elit, seddo eiusmod temporincididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi utaliquipex ea commodo consequat.Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.Excepteur sintoccaecat cupidatatnon proident, sunt in culpa qui officia deserunt mollit anim id est laborum.23 +[[image:https://wiki.dragino.com/images/2/24/BC-95-G2.png||alt="BC-95-G2.png" height="365" width="558"]] 25 25 26 - == Sub-paragraph ==25 +Remarks: 27 27 28 - Loremipsum dolor sit amet,consecteturdipiscingelit, sed doeiusmod tempor incididunt utlabore etdolore magna aliqua. Utenimad minim veniam, quis nostrudexercitation ullamco laboris nisi ut aliquipexeacommodo consequat. Duis aute iruredolorin reprehenderit in voluptate velit essecillumdoloreeufugiat nulla pariatur. Excepteursintoccaecatcupidatat non proident, sunt in culpa qui officia deseruntmollitimid est laborum.27 +~1. The operating voltage of the SIM card used must be less than 3.0V 29 29 30 - ==Sub-paragraph==29 +2. The network access time varies with the signal strength 31 31 32 - Loremipsumdolor sit amet, consecteturadipiscingelit,sed doeiusmodtemporincididunt ut laboret dolore magnaaliqua. Utenimad minim veniam, quis nostrud exercitationullamco laborisnisiutaliquipexea commodo consequat. Duis aute irure dolorin reprehenderit in voluptatevelit essecillum doloreeu fugiatnullapariatur. Excepteursintoccaecatcupidatatnon proident, sunt in culpa quiofficia deseruntmollitanim id est laborum.31 +3. If you have not been able to access the network, please try to access the network manually